Relationship of Daily Step Counts to All-Cause Mortality and Cardiovascular Events

医学 内科学 人口 环境卫生
作者
Niels A. Stens,Esmée A. Bakker,Asier Mañas,Laurien M. Buffart,Francisco B. Ortega,Duck-chul Lee,Paul D. Thompson,Dick H. J. Thijssen,Thijs M.H. Eijsvogels
出处
期刊:Journal of the American College of Cardiology [Elsevier BV]
卷期号:82 (15): 1483-1494 被引量:31
标识
DOI:10.1016/j.jacc.2023.07.029
摘要

The minimal and optimal daily step counts for health improvements remain unclear. A meta-analysis was performed to quantify dose-response associations of objectively measured step count metrics in the general population. Electronic databases were searched from inception to October 2022. Primary outcomes included all-cause mortality and incident cardiovascular disease (CVD). Study results were analyzed using generalized least squares and random-effects models. In total, 111,309 individuals from 12 studies were included. Significant risk reductions were observed at 2,517 steps/d for all-cause mortality (adjusted HR [aHR]: 0.92; 95% CI: 0.84-0.999) and 2,735 steps/d for incident CVD (aHR: 0.89; 95% CI: 0.79-0.999) compared with 2,000 steps/d (reference). Additional steps resulted in nonlinear risk reductions of all-cause mortality and incident CVD with an optimal dose at 8,763 (aHR: 0.40; 95% CI: 0.38-0.43) and 7,126 steps/d (aHR: 0.49; 95% CI: 0.45-0.55), respectively. Increments from a low to an intermediate or a high cadence were independently associated with risk reductions of all-cause mortality. Sex did not influence the dose-response associations, but after stratification for assessment device and wear location, pronounced risk reductions were observed for hip-worn accelerometers compared with pedometers and wrist-worn accelerometers. As few as about 2,600 and about 2,800 steps/d yield significant mortality and CVD benefits, with progressive risk reductions up to about 8,800 and about 7,200 steps/d, respectively. Additional mortality benefits were found at a moderate to high vs a low step cadence. These findings can extend contemporary physical activity prescriptions given the easy-to-understand concept of step count. (Dose-Response Relationship Between Daily Step Count and Health Outcomes: A Systematic Review and Meta-Analyses; CRD42021244747)
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